package com.csdj.t309springboot.service;

import com.csdj.t309springboot.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 * 用户表 服务类
 * </p>
 *
 * @author cloud
 * @since 2021-12-30
 */
public interface IUserService extends IService<User> {

    User login(String username,String password);

    void addUsersByRandom(int num);

    boolean update(User user);

}
